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Halyomorpha halys abundance (mean no. ± std. err.) in vineyards on white and red grape cultivars (A), on cultivars with different harvesting period (B), and in different positions (i.e., border vs. center) within vineyard rows (C) as observed in 2018. Back-transformed data from least-square means were used in the figure. Different letters indicate significant differences in the Tukey’s test on least-square means (α = 0.05).
